Theory of Relativity
In 1915 Einstein developed the theory of special and general relativity.
The principle of equivalence holds that forces produced by gravity are in every way equivalent to forces produced by acceleration, so that it is theoretically impossible to distinguish between gravitational and accelerational forces by experiment.
In the theory of special relativity, Einstein had stated that a person in a closed car rolling on an absolutely smooth railroad track could not determine by any conceivable experiment whether he was at rest or in uniform motion.
In general relativity he stated that if the car were speeded up or slowed down or driven around a curve, the occupant could not tell whether the forces so produced were due to gravitation or whether they were acceleration forces brought into play by pressure on the accelerator or on the brake or by turning the car sharply to the right or left.
More here if you are interested but that’s not what my post is about.
Yesterday, I had the theory of relativity explained to me in the scientist's version of Aesop’s fable - The Hare and the Tortoise.
The Hare and the Tortoise have decided to hold a rematch. As such, the tortoise decided to start training for it by running from his home to the lake. While running, he passed a snail on the roadside. Being a polite tortoise, he greeted the snail and asked him where he was heading. The snail replied that he was heading to the lake. Hearing that, the tortoise said "Oh I am heading that way too. Why dont you climb aboard and I'll take you there?"
Delighted, the snail made his way to the top of the tortoise's back and off the tortoise went. About 10 minutes later, they came upon a second snail.
"Where are you heading?" asked the tortoise.
"I'm going to the lake." replied the snail.
"We are heading that way too. Climb aboard and I'll give you a lift." said the kind tortoise.
10 minutes later, the group saw yet another snail making its way along the roadside.
"Where are you heading?" asked the tortoise.
"I'm going to the lake." replied the snail.
"What a coincidence. Get onboard and I'll take you there."
As the snail made himself comfortable on top of the tortoise shell, the first snail was overhead saying to the newcomer.......
"Hold on tight. This guy runs like the wind!!!"
The principle of equivalence holds that forces produced by gravity are in every way equivalent to forces produced by acceleration, so that it is theoretically impossible to distinguish between gravitational and accelerational forces by experiment.
In the theory of special relativity, Einstein had stated that a person in a closed car rolling on an absolutely smooth railroad track could not determine by any conceivable experiment whether he was at rest or in uniform motion.
In general relativity he stated that if the car were speeded up or slowed down or driven around a curve, the occupant could not tell whether the forces so produced were due to gravitation or whether they were acceleration forces brought into play by pressure on the accelerator or on the brake or by turning the car sharply to the right or left.
More here if you are interested but that’s not what my post is about.
Yesterday, I had the theory of relativity explained to me in the scientist's version of Aesop’s fable - The Hare and the Tortoise.
The Hare and the Tortoise have decided to hold a rematch. As such, the tortoise decided to start training for it by running from his home to the lake. While running, he passed a snail on the roadside. Being a polite tortoise, he greeted the snail and asked him where he was heading. The snail replied that he was heading to the lake. Hearing that, the tortoise said "Oh I am heading that way too. Why dont you climb aboard and I'll take you there?"
Delighted, the snail made his way to the top of the tortoise's back and off the tortoise went. About 10 minutes later, they came upon a second snail.
"Where are you heading?" asked the tortoise.
"I'm going to the lake." replied the snail.
"We are heading that way too. Climb aboard and I'll give you a lift." said the kind tortoise.
10 minutes later, the group saw yet another snail making its way along the roadside.
"Where are you heading?" asked the tortoise.
"I'm going to the lake." replied the snail.
"What a coincidence. Get onboard and I'll take you there."
As the snail made himself comfortable on top of the tortoise shell, the first snail was overhead saying to the newcomer.......
"Hold on tight. This guy runs like the wind!!!"
posted by eyes at 9:28 pm
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